<template>
  <div style="height: 100vh;overflow: hidden;
  background-image:linear-gradient(135deg,#1352f2,#3c82f5);">
    <el-container style="padding: 30px;">
      <el-header>
        <el-row>
          <el-col :span="3">
            <img src="imgs/login/logo.png" style="height: 50px;">
          </el-col>
          <el-col :span="1">
            <img src="imgs/login/auto.png" style="height: 50px;">
          </el-col>
          <el-col :span="1">
            <img src="imgs/login/verticalLine.png" style="height: 50px;">
          </el-col>
          <el-col :span="19">
            <span style="color:#fff;font-weight: bold;font-size: 30px;">智慧车辆运营管理系统</span>
          </el-col>
        </el-row>
      </el-header>
      <el-main>
        <el-row>
          <el-col :span="16">
            <img src="imgs/login/bg.png" style="width:100%;margin-top: 60px;">
          </el-col>
          <el-col :span="8">
            <el-card style="margin-top: 80px;">
              <h3 style="text-align:center;">用户登录</h3>
              <el-form label-position="top">
                <el-form-item label="用户名">
                  <el-input placeholder="请输入用户名" v-model="user.username"></el-input>
                </el-form-item>
                <el-form-item label="密码">
                  <el-input show-password placeholder="请输入密码" v-model="user.password"></el-input>
                </el-form-item>
                <el-form-item>
                  <el-button type="primary" style="width: 100%;" @click="login">登录</el-button>
                </el-form-item>
              </el-form>
              <div style="text-align:center;color: #666;font-size: 14px;padding: 10px 0;">
                （体验账号：tom 密码：123456）
              </div>
            </el-card>
          </el-col>
        </el-row>
      </el-main>
    </el-container>
  </div>
</template>

<script setup>
import {ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import router from "@/router";

const user = ref({
  username:'',
  password:''
});
const login = ()=>{
  //1.给后端发送登录请求，需要借助axios工具，注意：axios需要安装并导入！
  axios.post(BASE_URL+'/v1/user/login',user.value)
      .then((response)=>{
        //2.发送请求后，服务器处理完毕，会给客户端响应结果；前端需要在回调函数中处理这个相应结果
        //response 是响应对象，我们可以从响应对象response的data中得到后端服务器的响应数据
        console.log(response.data);//后端返回的JsonResult
        console.log(response.data.data);//JsonResult的data，这里是userVO
        //3.根据后端的相应结果做前端处理
        if (response.data.code == 2000){
          ElMessage.success('登录成功！');
          //6.登录成功后，将userVO保存到localStorage中
          // localStorage只能存储字符串类型的键值对！！！
          localStorage.setItem('user',JSON.stringify(response.data.data));
          //4.登录成功后，跳转到HomeView，再重定向到用户列表页
          router.push('/');
        }else {
          ElMessage.error(response.data.msg);
          //5.登录失败，清空输入框
          user.value = {
            username:'',
            password:''
          };
        }
      })
}
</script>

<style scoped>

</style>